113443421213 has 8 divisors (see below), whose sum is σ = 113626276920. Its totient is φ = 113260654080.

The previous prime is 113443421159. The next prime is 113443421227. The reversal of 113443421213 is 312124344311.

It can be written as a sum of positive squares in 4 ways, for example, as 15976454404 + 97466966809 = 126398^2 + 312197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113443421213 - 2⁸ = 113443420957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113443421243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2833253 + ... + 2873013.

It is an arithmetic number, because the mean of its divisors is an integer number (14203284615).

Almost surely, 2^113443421213 is an apocalyptic number.

It is an amenable number.

113443421213 is a deficient number, since it is larger than the sum of its proper divisors (182855707).

113443421213 is an equidigital number, since it uses as much as digits as its factorization.

113443421213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44287.

The product of its digits is 6912, while the sum is 29.

Adding to 113443421213 its reverse (312124344311), we get a palindrome (425567765524).

The spelling of 113443421213 in words is "one hundred thirteen billion, four hundred forty-three million, four hundred twenty-one thousand, two hundred thirteen".